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P21


P21 material is Mold Steel.

Chemical composition of P21, P21 mechanical properties, P21 datasheet, P21 equivalent grade, Heat treatment and temperature process of P21.


P21 property sheet

P21 Spec.

Related Materials

P21

Chemical Composition of P21

C: 0.18 0.22
Si: 0.20 0.40
Mn: 0.20 0.40
P: Max 0.030
S: Max 0.030
Cr: 0.15 0.30
Mo: Max Min
V: 0.15 0.25
W: Max Min
Ni+Cu: Max 0.75
Ni: 3.90 4.25
Al: 1.05 1.25

Mechanical Properties of P21

Rp0.2 (MPa) 146 (≥)
Rm (MPa) 927 (≥)
AKV (J) 24
A (%) 13
Z (%) 22
Hardness HBW 414

P21 shape and dimensions

P21 Round bar: 1mm-800mm
P21 Square bar: 10mm * 10mm-600mm *600mm
P21 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
P21 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
P21 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
P21 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes